Abstract
The liquid-phase hydration of cyclohexene , a pseudo first order reversible reaction catalyzed by a strong acid ion exchange resin, macroporous Amberlite XE 307, was investigated in solvent mixtures of water and sulfolane. A decrease by a factor of 3 and 6 is observed in the experimentally measured equilibrium conversion for solvent mixtures with 60 and 90 mol% sulfolane, respectively.Addition of sulfolane to the reaction mixture causes a decrease in intrinsic reaction rate constant, but the overall conversion rate is substantially increased due to both the dramatic increase of the solubility of cyclohexene in the aqueous phase by sulfolane addition and the increased proton activity for sulfolane molfractions above 0.7.
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